MichaelH

Can offer you this as an example you could play with:

for use in the loop, list all posts with tags contained on current post, excluding the current post

<?php
$tags = wp_get_post_tags($post->ID);
if ($tags) {
  $term_ids=array();
  foreach($tags as $tag) {
    array_push($term_ids,$term->term_id);
  }
  $args=array(
    'tag__in' => $term_ids,
    'post__not_in' => array($post->ID),
    'post_type' => 'post',
    'post_status' => 'publish',
    'posts_per_page' => -1,
    'caller_get_posts'=> 1
  );
  $my_query = null;
  $my_query = new WP_Query($args);
  if( $my_query->have_posts() ) {
    echo 'List of Related Posts';
    while ($my_query->have_posts()) : $my_query->the_post(); ?>
      <p><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></p>
      <?php
    endwhile;
  }
wp_reset_query();  // Restore global post data stomped by the_post().
}
?>

Tools->Export at wordpress.com

Tools->Import->Wordpress at your new site.

Have this in my notes but not sure I’ve ever tested it:

Easy way to get all the authors for posts in a certain category?

$post_ids = implode(',', get_objects_in_term($term_id, 'category'));

$authors = $wpdb->get_results("
SELECT DISTINCT *
FROM $wpdb->users u
JOIN $wpdb->posts p ON (p.author_id = u.ID)
WHERE p.ID IN ('$post_ids')
");

Then try deactivating all plugins to see if that solves the problem. If not, then switch to the TwentyTen theme and see if that works.

Not positive, but this plugin might do that: http://wordpress.org/extend/plugins/astickypostorderer/

See Moving WordPress. Essentially, backup your WordPress files (use an FTP program to copy from Yahoo server to your local machine), and backup your database (if necessary install the WP-DB-Backup plugin).

Then restore your database to BlueHost database using phpMyAdmin and upload the files via FTP to your Bluehost web-root folder (probably your public_html folder0, fix the wp-config.php to point to the new database (leave the $table_prefix the same).

Related:
WordPress Backups

See this plugin: http://wordpress.org/extend/plugins/wp-no-category-base/